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Biology, Conservation and Sustainable Development of Sturgeons
Sturgeons are considered “living fossils”, sharing many morphological and biological features with ancestral fish. Furthermore, sturgeons are of the utmost interest from an economic perspective, not only for the caviar but for the flesh. However, the wild populations of the majority of the species are at serious risk of extinction all over the world. So, it is urgent to develop strategies for both farming culture and conservation and recovery in natural habitats. This book provides a comprehensive view of the biology and sustainable development of sturgeons putting emphasis on the Southern Europe autochthonous species such as Acipenser nacarii and Acipenser sturio that share geographical...
The Siberian Sturgeon (Acipenser baerii, Brandt, 1869) Volume 1 - Biology
The biology of the Siberian sturgeon, Acipenser baerii Brandt 1869, has become a very attractive subject of investigation for biologists since the 1980s. This volume 1 is part of a two-volume set devoted to the species, the second of which focuses on farming. The present volume is divided into three parts: Biology and ecology, Biology and physiology of reproduction, and Ecophysiology, i.e. adaptation to the environment. The first part addresses a broad range of topics, such as: the ecology, including a new approach to species-specificity, a new insight on the mineralization of vertebral elements, two approaches to sex determination, transposable elements in the gonads, early ontogeny, olfact...
Practical guideline for ultrasound diagnostic of sturgeon
Ultrasound diagnostic is a tool that allows to successfully solve problems of not only early sex differentiation but also ongoing monitoring of gonadogenesis process or retrospective analysis, performed in accordance with the results of the bonitation. The materials introduced in this book are the result of many years of research and practical work on identification of sex and sturgeon maturity stages performed by the authors on sturgeon farms in Russia, Georgia, Uzbekistan Azerbaidzhan and other CIS countries using different methods. The guide provides basic principles of ultrasound diagnostic and recommendations for the sturgeon ultrasound diagnostic equipment and workplace arrangements. T...
Review of the state of the world fishery resources: Inland fisheries
The FAO Fishery and Aquaculture Circular C942 Revision 3 (C942 Rev. 3) updates and expands the scope of previous revisions of the circular. C942 Rev. 3 is an important baseline document, intended to assist in the global understanding of inland fisheries and inform dialogue on their current and future role. The third revision reviews the status and trends of inland fisheries catch at global, continental and subcontinental levels. It places inland capture fisheries in the context of overall global fish production, and calls attention to the importance of inland capture fisheries with respect to food security and nutrition and the Sustainable Development Goals. It quantifies global inland fishe...
The Siberian Sturgeon (Acipenser baerii, Brandt, 1869) Volume 2 - Farming
The Siberian sturgeon, Acipenser baerii Brandt 1869 is the most widely farmed sturgeon species. Continuing from Volume 1, which focuses on the biology of the species, the present Volume 2 in turn examines farming aspects. It is divided into six parts, the first of which deals with reproduction and early ontogenesis, i.e. reproductive cycles, controlled reproduction, sperm cryoconservation, and weaning of larvae. The second covers the growing phase with a focus on food and feeding (management, fish meal replacement, potential endocrine disruptions, usefulness of prebiotics and immunostimulants, and nitrogen excretion). Production-related data are the focus of the third part and include: chara...
Report of the Twenty-second Session of the European Inland Fisheries Advisory Commission
This session was held in concomitance with a Symposium on Inland Fisheries Management and the Aquatic Environment. The session reviewed EIFAC's activities since 2000 in the fields of fishery biology and management, aquaculture, protection of the aquatic resource, and social and economic issues.
Report of the Twenty-fourth Session of the European Inland Fisheries Advisory Commission
The twenty-fourth session of the European Inland Fisheries Advisory Commission (EIFAC) was held in Mondsee, Austria, from 14 to 21 June 2006, in concomitance with a Symposium on Hydropower, Flood Control and Water Abstraction: Implications for Fish and Fisheries. The session reviewed EIFAC's activities since 2004 in the fields of fishery biology and management, aquaculture, protection of the aquatic environment, and social and economic issues. EIFAC revised and decided its future programme of work, in particular the activities which should be carried out until the next session of the Commission in 2008. The twenty-fifth session will be preceded by a Symposium that will focus on interactions between socio-economic and ecological objectives of inland fisheries, commercial and recreational, and aquaculture.
Action Plan for the Conservation of Sturgeons (Acipenseridae) in the Danube River Basin
Six species of sturgeons are native to the Danube River Basin. The need for conservation action is urgent, given that recent observations in the Lower Danube indicate that all sturgeon populations are near extinction. Due to the high commercial value of sturgeon products, in particular caviar, the pressure from proaching and illegal trade remains intense. These species will not survive unless fishing practices are greatly addressed, and both migration routes and habitats for all life-cycle stages are protected. Through national action and international co-ordination, this action plan aims to secure viable populations of all Danube sturgeon species by sustainable management and restoration of their natural habitats and migratory corridors
FAO Fisheries Report
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